[Early radiological signs of ankylosing spondylitis and their diagnostic significance].
D006801:Humans; D011859:Radiography; D012446:Sacroiliac Joint / Q000000981:diagnostic imaging; D013167:Spondylitis, Ankylosing / Q000000981:diagnostic imaging*; D013997:Time Factors
Radiologische Frühzeichen der Spondylitis ankylopoetica und ihre diagnostische Wertigkeit.